Optical interference film and lamp having the same

Details Optical interference film and lamp having the same Optical interference film and lamp having the same

1990-11-15

1992-05-12

Yusko, Donald J.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

313113, H01K 132

Patent

active

051131099

ABSTRACT:
An optical interference film formed on the surface of the bulb of a lamp includes high refractive index layers and low refractive index layers alternately stacked on each other to form more than ten layers in all. Each high refractive index layer includes titanium oxide containing at least one additive selected from the group consisting of antimony (Sb), silicon (Si) and tantalum (Ta). An amount of the at least one additive is the range from 0.1% to 30% of the titanium oxide in terms of the metal atomic ratio.

REFERENCES:
patent: 4229066 (1980-10-01), Rancourt et al.
patent: 4634919 (1987-01-01), Yuge et al.
patent: 4983001 (1991-01-01), Hagiuda et al.

Affiliated with

Also associated with

Rating

Optical interference film and lamp having the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical interference film and lamp having the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical interference film and lamp having the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2426822